Sell my US treasury notes (maybe all $1,000,000,000,000 of them, or maybe just a goodly fraction thereof). Use the proceeds to buy Bank of Japan notes. thereby causing the US dollar to crash and the credit-worthiness of the US government to collapse, while causing the Yen to rise against other currencies so that the Japanese exports collapse, taking their whole economy with it.
Sun Tzu would be so proud!
Then again, maybe somebody else has already thought of this. It sure looked that way today!
Update 2/17/14 -- think I am just a crazy little moron with diarrhea of the mouth? Take a look at these two charts from today ....
Still think I am nuts? A forex trader working for JPMorgan in Hong Kong just jumped to his death .... wonder why??????